so-and-so

Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

n. An unnamed or unspecified person or thing.

n. Informal A son of a gun.

from Wiktionary, Creative Commons Attribution/Share-Alike License

n. A placeholder name for a person or thing, used when a name is not known; a generic name.

n. Some thing or things.

n. Used for epithets such as SOB, bastard, etc..

from The Century Dictionary and Cyclopedia

n. Some one or something not definitely named: commonly representing some person or thing in an imaginary or supposed instance: as, Mrs. So-and-so; was he wrong in doing so-and-so? Compare so ,adv., 5.

If I don't know somebody, and … there's an instance where somebody was calling me and said, 'I got your number from so-and-so,' well, I may call so-and-so back and say, 'Did you tell them about my situation and everything?'

Some guy in a pointy hat with stars on it shows up, and President so-and-so puts aside his own intuitive understanding that the economy is falling apart, because this guy has an equation that says otherwise.

I didn't want to have the entire panel discussion on lj and then show up and say, "Well, on my lj I said this and so-and-so said that and then our friend said the other thing, so I'm done with this topic now."